<template>
  <div class="app-container">
    <!-- 搜索工作栏 -->
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="文件路径" prop="path">
        <el-input
          v-model="queryParams.path"
          placeholder="请输入文件路径"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="创建时间" prop="createTime">
        <el-date-picker
          v-model="queryParams.createTime"
          style="width: 240px"
          value-format="yyyy-MM-dd HH:mm:ss"
          type="daterange"
          range-separator="-"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
          :default-time="['00:00:00', '23:59:59']"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 操作工具栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          >上传文件</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <!-- 列表 -->
    <el-table v-loading="loading" :data="list">
      <el-table-column
        label="文件名"
        :show-overflow-tooltip="true"
        align="center"
        min-width="200px"
        prop="name"
      />
      <el-table-column
        label="文件路径"
        :show-overflow-tooltip="true"
        align="center"
        min-width="250px"
        prop="path"
      />
      <el-table-column
        label="文件 URL"
        :show-overflow-tooltip="true"
        align="center"
        min-width="300px"
        prop="url"
      />
      <el-table-column
        label="文件大小"
        align="center"
        prop="size"
        min-width="120px"
        :formatter="sizeFormat"
      />
      <el-table-column
        label="文件类型"
        :show-overflow-tooltip="true"
        align="center"
        prop="type"
        width="180px"
      />
      <el-table-column
        label="文件内容"
        align="center"
        prop="content"
        min-width="150px"
      >
        <template v-slot="scope">
          <image-preview
            v-if="scope.row.type && scope.row.type.indexOf('image/') === 0"
            :src="scope.row.url"
            :width="'100px'"
          ></image-preview>
          <video
            v-else-if="scope.row.type && scope.row.type.indexOf('video/') === 0"
            :width="'100px'"
          >
            <source :src="scope.row.url" />
          </video>
          <i v-else
            >无法预览，点击
            <el-link
              type="primary"
              :underline="false"
              style="font-size: 12px; vertical-align: baseline"
              target="_blank"
              :href="getFileUrl + scope.row.configId + '/get/' + scope.row.path"
              >下载
            </el-link>
          </i>
        </template>
      </el-table-column>
      <el-table-column
        label="上传时间"
        align="center"
        prop="createTime"
        min-width="170px"
      >
        <template v-slot="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
        min-width="100px"
      >
        <template v-slot="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['infra:file:delete']"
            >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNo"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 对话框(添加 / 修改) -->
    <el-dialog
      :title="upload.title"
      :visible.sync="upload.open"
      width="400px"
      append-to-body
    >
      <el-upload
        ref="upload"
        :limit="1"
        accept=".jpg, .png, .gif"
        :auto-upload="false"
        drag
        :headers="upload.headers"
        :action="upload.url"
        :data="upload.data"
        :disabled="upload.isUploading"
        :on-change="handleFileChange"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或 <em>点击上传</em></div>
        <div class="el-upload__tip" style="color: red" slot="tip">
          提示：仅允许导入 jpg、png、gif 格式文件！
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { deleteFile, getFilePage } from "@/api/infra/file";
import { getAccessToken } from "@/utils/auth";
import ImagePreview from "@/components/ImagePreview";

export default {
  name: "InfraFile",
  components: {
    ImagePreview,
  },
  data() {
    return {
      getFileUrl: process.env.VUE_APP_BASE_API + "/admin-api/infra/file/",
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文件列表
      list: [],
      // 弹出层标题
      title: "",
      // 查询参数
      queryParams: {
        pageNo: 1,
        pageSize: 10,
        path: null,
        type: null,
        createTime: [],
      },
      // 用户导入参数
      upload: {
        open: false, // 是否显示弹出层
        title: "", // 弹出层标题
        isUploading: false, // 是否禁用上传
        url: process.env.VUE_APP_BASE_API + "/admin-api/infra/file/upload", // 请求地址
        headers: { Authorization: "Bearer " + getAccessToken() }, // 设置上传的请求头部
        data: {}, // 上传的额外数据，用于文件名
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询列表 */
    getList() {
      this.loading = true;
      // 执行查询
      getFilePage(this.queryParams).then((response) => {
        this.list = response.data.list;
        this.total = response.data.total;
        this.loading = false;
      });
    },
    /** 取消按钮 */
    cancel() {
      this.open = false;
      this.reset();
    },
    /** 表单重置 */
    reset() {
      this.form = {
        content: undefined,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNo = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.upload.open = true;
      this.upload.title = "上传文件";
    },
    /** 处理上传的文件发生变化 */
    handleFileChange(file, fileList) {},
    /** 处理文件上传中 */
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true; // 禁止修改
    },
    /** 发起文件上传 */
    submitFileForm() {
      this.$refs.upload.submit();
    },
    /** 文件上传成功处理 */
    handleFileSuccess(response, file, fileList) {
      // 清理
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      // 提示成功，并刷新
      this.$modal.msgSuccess("上传成功");
      this.getList();
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const id = row.id;
      this.$modal
        .confirm('是否确认删除文件编号为"' + id + '"的数据项?')
        .then(function () {
          return deleteFile(id);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    // 用户昵称展示
    sizeFormat(row, column) {
      const unitArr = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
      const srcSize = parseFloat(row.size);
      const index = Math.floor(Math.log(srcSize) / Math.log(1024));
      let size = srcSize / Math.pow(1024, index);
      size = size.toFixed(2); //保留的小数位数
      return size + " " + unitArr[index];
    },
  },
};
</script>
